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second air line.
Posted: Wed Mar 06, 2019
by Radu Paunescu
My first mod: I added a second air line, so it blows some air even when engraving. This is to prevent gunk bulid-up on the lens when engraving.
7R4A2720.JPG
Re: second air line.
Posted: Wed Mar 06, 2019
by Gene Uselman
You might want to look at Russ' Ultimate Air Assist on his Youtube channel, it is offered as a kit by Cloudray Laser [.com] with the schematics. It is a really elegant solution for cutting and engraving. Gene
Re: second air line.
Posted: Thu Mar 07, 2019
by Radu Paunescu
Thank you for the suggestion.
To sum up Russ lengthily video: you need air assist for cutting, you don't need it for engraving. Having said that you want some air flow through the nozzle when engraving to keep the lens clean.
There is a switch in RDWorks which controls the air assist on/off.
My lase already has a solenoid valve controlled by the "if blowing" parameter. I only needed 10 $ worth of tubing and fittings to implement this mod.